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Submitted on: 18 February 2012.
Revised on: 15 March 2012.
Accepted on: 11 April 2012.
Research in Number Theory
Submitted on: 22 July 2017.
Revised on: 03 September 2017.
Accepted on: 25 September 2017.
Research in Number Theory
Submitted on: 18 February 2021.
Revised on: 10 March 2021.
Accepted on: 19 March 2021.
Research in Number Theory---SPRINGER INT PUBL AG
Submitted on: 05 November 2021.
Revised on: 30 November 2021.
Accepted on: 13 December 2021.
Research in Number Theory
Submitted on: 26 September 2016.
Revised on: 06 November 2016.
Accepted on: 04 December 2016.
Research in Number Theory---SPRINGER INT PUBL AG